<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        .box {
            width: 500px;
            height: 500px;
            border: 1px solid #aaa;
            box-sizing: border-box;
            display: table-cell;
            display: block;
            text-align: center;
            vertical-align: middle;
        }
    </style>
</head>

<body>
    <div class="box">
        <img src="./images/1.png" alt="">
    </div>
</body>

</html>